This seems like a tiff with a particular manager, not all 600,000 people that compose Amazon. Also, I'm not sure if he ever learned this, but his manager doesn

This seems like a tiff with a particular manager, not all 600,000 people that compose Amazon. Also, I'm not sure if he ever learned this, but his manager doesn't control whether he can transfer or not. All he needed was a hiring manager to say s/he wanted him on the team and he could've just left.